git: e818e83a2a - main - Status/2023Q3/openstack.adoc: Add report

The branch main has been updated by salvadore:

URL: https://cgit.FreeBSD.org/doc/commit/?id=e818e83a2ab162ea6b7699036a0f802094d8af8c

commit e818e83a2ab162ea6b7699036a0f802094d8af8c
Author:     Chih-Hsin Chang <starbops@hey.com>
AuthorDate: 2023-10-05 08:20:58 +0000
Commit:     Lorenzo Salvadore <salvadore@FreeBSD.org>
CommitDate: 2023-10-05 09:01:05 +0000

    Status/2023Q3/openstack.adoc: Add report
    
    Reviewed by:    lwhsu, Graham Perrin <grahamperrin@gmail.com>
    Pull Request:   https://github.com/freebsd/freebsd-doc/pull/272
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+=== OpenStack on FreeBSD
+
+Links: +
+link:https://www.openstack.org/[OpenStack] URL: link:https://www.openstack.org/[] +
+link:https://github.com/openstack-on-freebsd[OpenStack on FreeBSD] URL: link:https://github.com/openstack-on-freebsd[]
+
+Contact: Chih-Hsin Chang <starbops@hey.com> +
+Contact: Li-Wen Hsu <lwhsu@FreeBSD.org>
+
+OpenStack, an open-source cloud operating system, has been a valuable resource for deploying various resource types on cloud platforms.
+However, the challenge has been running OpenStack's control plane on FreeBSD hosts.
+Our project's mission is to enable FreeBSD to function seamlessly as an OpenStack host.
+
+Throughout this quarter, we focused on the last bit of the entire proof of concept (POC), the VM console integration.
+The goal is to let users get serial consoles via the OpenStack client to access the VM instances running on the FreeBSD-based OpenStack cluster.
+This is also important because right now we do not have a port for the managed DHCP service in Neutron.
+Users need to manually configure the correct IP addresses for the VM instances to have network connectivity.
+However, man:bhyve[8] does not natively expose serial consoles, so we need to instead export the man:nmdm[4] device over the network.
+This is done by a custom proxy called link:https://github.com/openstack-on-freebsd/socat-manager/blob/main/server.py[`socat-manager`], and yes, we leverage man:socat[1] to listen on specific ports allocated by OpenStack `nova-compute` to be integrated into their workflow.
+With the aid of another critical part, the link:https://github.com/openstack-on-freebsd/socat-manager/tree/main/hooks[custom Libvirt hook for bhyve], we can connect the two endpoints and make the consoles accessible to the users.
+During development of the hook script, we found that the hook interface provided by Libvirt specifically for bhyve was link:https://gitlab.com/libvirt/libvirt/-/issues/528[not well implemented].
+Fortunately, the Libvirt developer link:https://gitlab.com/libvirt/libvirt/-/commit/ad8c4d9d6d09d51a9530ed84fcd2220713aab928[fixed the issue] promptly, and we plan to refine our hook script when the fix is released in the future.
+
+We also addressed the nested bhyve issue (running bhyve VMs on top of Linux KVM) in our development environment mentioned in https://www.freebsd.org/status/report-2023-04-2023-06/#_openstack_on_freebsd[the last quarterly report].
+It is caused by the APIC emulation of the two VT-x features: `VID` and `PostIntr`.
+Our host's CPUs have these two features so we need to disable them at the L1 guest, which acts as a bhyve host, in [.filename]#/boot/loader.conf# to make L2 guests not hanging.
+It is crucial for us to be able to work on the project in a fully virtualized environment due to the lack of physical resources.
+This could be equally important for people interested in the project, lowering the bar for them to try out or validate the entire POC on their environment without too demanding setup requirements.
+
+Looking ahead to Q4, our focus is wrapping up the POC with revised documentation and porting to FreeBSD 14.0-RELEASE.
+Dependencies that lack the corresponding FreeBSD packages will be ported one by one.
+We also aim to rebase our work with OpenStack link:https://releases.openstack.org/antelope/index.html[2023.1 Antelope].
+We invite those interested to explore our documentation and contribute to this project's success.
+
+Sponsor: The FreeBSD Foundation